Pulling-over machine



June l, 1937.

. A. E. LINDBLAD PULLING-OVER MACHINE Filed Dec. 25, 1935 AWM/747@ Mg. M@L wm/ Patented June 1, 1937 UNITEDy STATES 2,081,940PULLING-ovER'MAoHINE Axel E. Lindblad, Orange, N. J., assigner to UnitedShoe Machinery Corporation, Paterson, N. J., a corporation of New JerseyApplication December 23, 1935, Serial No. 55,768

3 Claims.

This invention relates to machines for pulling uppers over lasts, andmore particularly to pullingover machines for use in the manufacture ofshoes the uppers of which, at least at the fore- 5 parts of the shoes,are secured in lasted relation to insoles by an adhesive. Heretofore inthe manufacture of such shoes it has been the common practice to usepulling-over machines of the same construction as are utilized in themanufacture of shoes of other kinds, these machines having means fordriving tacks to fasten the uppers to the insoles. remained permanentlyin the shoes or have been removed by the operator at some time prior tol5 thecompletion of the lasting operations.

In order to facilitate the manufacture of shoes having no tacks or otherdrivenupper-holding fastenings in their foreparts, the present inventionprovides in a pulling-over machine novel means for securing the upperadhesively to the insole. The invention is herein illustrated, by way ofexample, as applied to a machine organization of the same generalcharacter as disclosed in United States Letters Patent No. 1,029,387,granted on June 11, I1912 upon an application of R. F. McFeely, withcertain parts constructed as more particularly disclosed in UnitedStates LettersA Patent No. 1,381,162, granted on June 14, 19241 upon anapplication of U. J. Bouchard. In place of the tack drivers operating atthe sides' of the forepart of the shoe in such prior machinesthere areprovided, for purposes of the present invention, hammers operated by thedriver bars to pound the margin of the upper into adher- '3'5 ingrelation to the insole, these hammers in the construction shown beingarranged to engage the upper throughout the width of its marginalportion overlying the insole and for substantial distances lengthwise ofthe shoe. Prior to the opera- 40 tionof the hammers the margin of theupper at the sides of the forepart is laid inwardly over the insole byWipers operated as heretofore, these wipers, however, being shaped toprovide the proper recesses to receive the hammers. In additionnto themeans thus provided for pounding the upper into adhering relation to theinsole at the sides of the forepart, the machine may also have, asshown, means for performing a similar operation at the end of the toe inthe location where an end tack has been driven by prior machines.

The above and other features of the invention, including various noveldetails of construction and combinations of parts, will now be moreparticularly described by reference to the accompanying 'I'hese tackshave either drawingV and thereafter pointed out in the claims. AIn thedrawing,

Fig. 1 is a perspective View of a portion of a machine in which theinvention is embodied, illustrating the relation of parts of the machineto the forepart of a shoe after the wiping of the margin of the upperinwardly by the wipers but before the hammers are operated;

Fig. 2 shows substantially in front elevation parts of the machinelocated at one side of the shoe; and

Fig. 3 shows substantially in side elevation parts located at the end ofthe toe of the shoe,

In the operation of machines of the illustrated type the shoe ispositioned with the bottom of its forepart in engagement with a solerest 2, and the upper materials (hereinafter referred to as the upper)are pulled over the last by grippers engaging them respectively at theend of the toe and the sides of the forepart, a portion of one ,of theside grippersbeing shown at 4 iny Fig.'2 and a portion of the toegripper being shown at 6 in Fig. 3. Thereafter the margin of the upperis wiped inwardly over the insole'at the endof the toe and the sides ofthe forepart, the grippers releasing the upper. For the wiping operationthere are provided at each side of the foreparta pair of wiperscomprising plates 8 extending laterally of the shoe, and at the end ofthe toe a wiper l0 extending lengthwise of the shoe. The side wipers 8are carried by opposite'side arms I2, a portion of one of which is shownin Figs. 1 and 2, these arms being mounted for swinging movementslaterally of the lshoe to operate the wipers. The wipers 8 are supportedand yieldingly controlled substantially as disclosed in theabove-mentioned Letters Patent No. 1,381,162. The inward movements ofthe side arms I2 are limited by vside clamps I4 which engage the shoeand are themselves engaged by holders it which support the wipers 8 onthe side arms, and associated with these side clamps are members kI8Awhich engage the forepart of the shoe underneath to support it againstpressure on its bottom face. The end wiper It is carried by a front arm2U mounted to swing lengthwise of the shoe, and this wiper is yieldinglycontrolled as heretofore by a spring-pressed plunger 22 movable upwardlyand downwardly in the arm 20. Operative movement of the arm 20 islimited by a stop 24 carried by the arm and arranged to engage the endof the toe of the shoe.

As thus far described, except for the shape of the side Wipers 8, themachine is constructed substantially as heretofore, as disclosed, forexample,

in the previously mentioned Letters Patent. For purposes of thisinvention there are provided, in place of the usual drivers for drivingupperfastening tacks at the sides of the forepart of the shoe, hammers26 comprising metal blocks arranged to pound the margin of the upperdown on the insole by a blow thereon so that it is secured to the insoleby a suitable adhesive previously applied preferably both to the uppermaterials and to the insole. Each hammer 26 has a lower ilat face whichengages the margin of the upper for a considerable distance lengthwiseof the shoe and from the extreme edge of the shoe bottom inwardlythroughout the width of the margin of the upper overlying the insole. Itis operated by a downwardly and upwardly movable bar 28 which is thesame as the tack driver bar of prior machines. On the lower end of thebar 28 is swiveled a block 3l] similarly to the block which in priormachines carries the tack drivers, this block in the construction hereinshown having mounted in depending ears 32 at the lower end thereof a pin34 on which the hammer 26 is mounted for turning movement to permit itto adjust itself to the lateral contour of the shoe bottom. A lug 36 onthe hammer eX- tends upwardly between the ears 32 to receive the pin 34andh-as a iiat upper face engaged by the lower end of a spring-pressedplunger 38 in the block 30 to determine a normal position of the hammerwith respect to movement about the pin. It will be understood that tooperate the hammer the bar 28 is impelled downwardly by a spring, likethe driver bar of prior machines. To provide room for the movement ofthe hammer the tack holders of prior machines are omitted from a member40 which in such prior machines carries these holders, and the pair ofwiper plates 8, moreover, are so formed as to provide a recess 4ltherein to permit the hammer to pass between portions of the plateswhich are arranged to wipe the margin of the upper inwardly at the frontand the rear of the hammer.

Similarly to the construction above described as located at each side ofthe forepart of the shoe, the machine herein shown is further providedwith a hammer 42 arranged to operate in a recess 43 in the end wiper Ito pound the margin of the upper throughout its width down on the insoleat the end of the toe, this hammer being pivot-ally mounted on a pin 44carried by the forked lower end 46 of an operating bar 48 correspondingto the end driver bar of prior machines. The hammer 42 is controlled bya spring-pressed plunger Ell similarly to the side hammers 26. It willbe understood that the means for thus pounding down the margin of theupper at the end of the toe may be omitted in case it is desired toleave the upper unsecured at the end of the toe until a later stage inthe manufacture of the shoe.

From the foregoing description it will be seen that the inventionprovides in a pulling-over machine means whereby the upper is securedeffectively in pulled-over condition, in different spaced locationsabout the forepart of the shoe,

without the use of any driven fastenings, the eiective adherence of themargin of the upper to the insole being insured by the blows deliveredby the vhammers over substantial portions of the area of the margin ofthe upper. It will be understood that at a later stage in themanufacture of the shoe the remaining portions of the margin of theupper about the forepart of the shoe will be secured adhesively to theinsole in the lasting of the shoe.

Having described the invention, what I claim as new and desire to secureby Letters Patent of the United States is:

l. In a pulling-over machine, the combination with means for pulling anupper over a last, of means for securing the margin of the upperadhesively to an insole on the last in a plurality of different spacedlocations at the forepart of the shoe while leaving the forepart of theupper unsecured in other locations, said securing means comprising aplurality of hammers arranged to act respectively in said diierentlocations and movable heightwise of the shoe into engagement with themargin of the upper to pound it on the insole, each hammer being formedand arranged to engage the upper substantially throughout the width ofits margin overlying the insole, and means for wiping the margin of theupper substantially throughout its width inwardly over the insole atboth sides of the portion engaged by each hammer.

2. In a pulling-over machine, the combination with means for pulling anupper over a last, of means for securing the margin of the upperadhesively to an insole on the last in a plurality of different spacedlocations at the forepart of the shoe while leaving the forepart of theupper unsecured in other locations, said securing means comprising aplurality of hammers -arranged to act respectively in said differentlocations to pound the margin of the upper on the insole,

and wipers for wiping the margin of the upper inwardly over the insoleprior to the operation of the hammers, said wipers having thereinrecesses to receive the hammers and permit the latter to engage themargin of the upper.

3. In a pulling-over machine, vthe combination with means for pulling anupper over a last, of means for securing the margin of the upperadhesively to an insole on the last in different spaced locations at theopposite sides of the forepart of the shoe, said securing m-eanscomprising hammers arranged to act respectively inv said differentlocations to pound the margin of the upper on the insole and each formedand arranged to engage the upper for substantial distances lengthwise ofthe shoe and substantially throughout the width of its marginoverlyingthe insole, and wipers for wiping the margin of the upperinwardly over the insole prior to the operation of the hammers, saidwipers having therein recesses to receive the hammers and havingportions arranged to extend across the margin of the upper in locationssubstantially adjacent to the hammers.

AXEL E. LINDBLAD.

